ZB4BW05D55
Product ID:24240
Updated: 2026/4/4

Key Features
- 1Utilize a protected LED light source with integral bulb base for enhanced reliability. 2、Ensure safe operation with robust 600 VAC insulation voltage. 3、Provide consistent indication via steady type signaling. 4、Benefit from durable silver alloy (Ag/Ni) contacts for resistance. 5、Achieve 100,000-hour service life at rated voltage and 25°C.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony XB4 | Product or Component Type | Complete body/contact assembly and light block |
| Device short name | ZB4 | Fixing collar material | Zamak |
| Sale per indivisible quantity | 1 | Head type | Standard |
| Contacts type and composition | 1 NO + 1 NC | Contact operation | Slow-break |
| Connections - terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end EN 60947-1<br />Screw clamp terminals, >= 1 x 0.22 mm² without cable end EN 60947-1 | Light source | LED |
| Bulb base | BA 9s | Light block supply | Via integral transformer 1.2 VA 6 V |
| Light source colour | Orange | [Us] rated supply voltage | 400 V AC 50/60 Hz |
| CAD overall width | 1.2 in (30 mm) | CAD overall height | 1.9 in (47 mm) |
| Terminals description ISO n°1 | (11-12)NC | Net Weight | 0.335 lb(US) (0.152 kg) |
| Contacts usage | Standard | Positive opening | With EN/IEC 60947-5-1 appendix K |
| Operating travel | 0.06 in (1.5 mm) NC changing electrical state)<br />0.1 in (2.6 mm) NO changing electrical state)<br />0.2 in (4.3 mm) total travel) | Operating force | 2 N NC changing electrical state<br />2.3 N NO changing electrical state |
| Operating torque | 0.44 lbf.in (0.05 N.m) NO changing electrical state | Mechanical durability | 5000000 cycles |
| Tightening torque | 7.08…10.6 lbf.in (0.8…1.2 N.m) EN 60947-1 | Shape of screw head | Cross Philips no 1<br />Cross pozidriv No 1<br />Slotted flat Ø 4 mm<br />Slotted flat Ø 5.5 mm |
| Contacts material | Silver alloy (Ag/Ni) | Short-circuit protection | 10 A cartridge fuse gG EN/IEC 60947-5-1 |
| [Ith] conventional free air thermal current | 10 A EN/IEC 60947-5-1 | [Ui] rated insulation voltage | 600 V 3)EN 60947-1 |
| [Uimp] rated impulse withstand voltage | 6 kV EN 60947-1 | [Ie] rated operational current | 3 A 240 V, AC-15, A600 EN/IEC 60947-5-1<br />6 A 120 V, AC-15, A600 EN/IEC 60947-5-1<br />0.1 A 600 V, DC-13, Q600 EN/IEC 60947-5-1<br />0.27 A 250 V, DC-13, Q600 EN/IEC 60947-5-1<br />0.55 A 125 V, DC-13, Q600 EN/IEC 60947-5-1<br />1.2 A 600 V, AC-15, A600 EN/IEC 60947-5-1 |
| Electrical durability | 1000000 cycles, AC-15, 2 A 230 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, AC-15, 3 A 120 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, AC-15, 4 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, DC-13, 0.2 A 110 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, DC-13, 0.5 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C | Electrical reliability | Λ < 10exp(-6) 5 V 1 mA in clean environment EN/IEC 60947-5-4<br />Λ < 10exp(-8) 17 V 5 mA in clean environment EN/IEC 60947-5-4 |
| Signalling type | Steady | Protective treatment | TH |
| Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) | Ambient Air Temperature for Operation | -40…158 °F (-40…70 °C) |
| Electrical shock protection class | Class I IEC 60536 | Standards | UL 508<br />EN/IEC 60947-5-4<br />EN/IEC 60947-5-1<br />CSA C22.2 No 14<br />EN/IEC 60947-5-5<br />EN/IEC 60947-1<br />JIS C8201-5-1<br />JIS C8201-1 |
| Product Certifications | GL<br />LROS (Lloyds register of shipping)<br />UL Listed<br />DNV<br />CSA<br />BV | Vibration resistance | 5 gn 2…500 Hz)IEC 60068-2-6 |
| Shock resistance | 30 gn 18 ms) half sine wave acceleration IEC 60068-2-27<br />50 gn 11 ms) half sine wave acceleration IEC 60068-2-27 |
Specifications may be subject to change without notice
